expected ~master (2021-10-11T18:48:43Z)

mapError.mapError

expected mapError

The actual mapError function.

template mapError(alias op, Hook = Abort)
ref
auto ref
mapError
(
T
E
H
)
(
auto ref Expected!(T, E, H) self
)
if (
is(typeof(op(forwardError!self)))
)

Parameters

self Expected!(T, E, H)

an Expected object

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expected mapError functions

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